564250393 has 4 divisors (see below), whose sum is σ = 644857600. Its totient is φ = 483643188.

The previous prime is 564250387. The next prime is 564250397. The reversal of 564250393 is 393052465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 564250393 - 2¹³ = 564242201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564250397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40303593 + ... + 40303606.

It is an arithmetic number, because the mean of its divisors is an integer number (161214400).

Almost surely, 2^564250393 is an apocalyptic number.

It is an amenable number.

564250393 is a deficient number, since it is larger than the sum of its proper divisors (80607207).

564250393 is an equidigital number, since it uses as much as digits as its factorization.

564250393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80607206.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 564250393 is about 23753.9553127474. The cubic root of 564250393 is about 826.3371730544.

The spelling of 564250393 in words is "five hundred sixty-four million, two hundred fifty thousand, three hundred ninety-three".